package net.lzzy.practices.entities;

import lombok.Getter;
import lombok.Setter;

import javax.persistence.*;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

/**
 * @author admin
 */
@Entity
@Getter
@Setter
public class Course extends BaseEntity{
    private String name;
    private String description;
    private String cover;
    @Temporal(TemporalType.TIMESTAMP)
    private Date createTime;
    @Temporal(TemporalType.TIMESTAMP)
    private Date updateTime;
    private boolean open;
    @ManyToOne
    private User teacher;
    @ManyToMany
    private List<User> students = new ArrayList<>();
    @OneToMany(mappedBy = "course")
    private List<Chapter> chapters = new ArrayList<>();
    @OneToMany(mappedBy = "course")
    private List<Applicant> applicants=new ArrayList<>();
    public Course(){
        createTime = new Date();
        updateTime = new Date();
    }

}
